沪指7月21日上涨0.72%，申万所属行业中，今日上涨的有27个，涨幅居前的行业为建筑材料、建筑装 饰，涨幅分别为6.06%、3.79%。建筑材料行业位居今日涨幅榜首位。跌幅居前的行业为银行、综合， 跌幅分别为0.77%、0.34%。 资金面上看，两市主力资金全天净流出69.45亿元，今日有11个行业主力资金净流入，电力设备行业主 力资金净流入规模居首，该行业今日上涨2.06%，全天净流入资金31.93亿元，其次是建筑材料行业，日 涨幅为6.06%，净流入资金为20.38亿元。 主力资金净流出的行业有20个，计算机行业主力资金净流出规模居首，全天净流出资金93.19亿元，其 次是电子行业，净流出资金为20.52亿元，净流出资金较多的还有医药生物、银行、通信等行业。 建筑材料行业今日上涨6.06%，全天主力资金净流入20.38亿元，该行业所属的个股共71只，今日上涨的 有68只，涨停的有22只；下跌的有2只。以资金流向数据进行统计，该行业资金净流入的个股有44只， 其中，净流入资金超5000万元的有18只，净流入资金居首的是中材科技，今日净流入资金3.29亿元，紧 随其后的是青龙管业、四川金顶，净流入资金分别为 ...

Group 1 - PCB concept stocks experienced a significant afternoon surge, with Zhongcai Technology (002080) hitting the daily limit up [1] - Defu Technology (301511) rose over 10%, while Jingwang Electronics (603228), Dazhu CNC (301200), and Shennan Circuit (002916) also saw gains [1]

Investment Rating - Industry rating is maintained at "Outperform" [5] Core Viewpoints - The cement industry is expected to achieve a total profit of 15-16 billion yuan in the first half of 2025, recovering from a loss of 1.1 billion yuan in the same period last year. Several cement companies have announced significant profit increases, with Tianshan Co. and Jidong Cement reducing losses by 2.5 billion and 660 million yuan respectively. Other companies like Tapai, China Resources, and Wan Nian Qing have seen profit growth exceeding 80%, while Huaxin Cement's profit increased by 50-55% [2][18] - The substantial improvement in performance is attributed to several factors: 1) Major companies have enhanced their price stability awareness since Q4 last year, leading to a price increase of approximately 20 yuan/ton in the average cement price year-on-year; 2) Cement production decreased by 4.3% year-on-year, with the decline narrowing significantly; 3) The average coal price fell by about 200 yuan/ton year-on-year [2][18] - Short-term cement prices are still slightly declining due to seasonal factors, but the downward space is limited. Prices are expected to rise as demand enters the peak season in August. Current cement valuations are relatively low, with a price-to-book ratio of only 0.7, which is at the 17th percentile over the past three years. The Ministry of Industry and Information Technology has announced a new round of growth stabilization plans for the building materials industry, which is expected to catalyze further valuation recovery [3][18] Summary by Sections Market Review - The Shanghai Composite Index rose by 1.09%, while the building materials sector (CITIC) fell by 0.02%. Notable stock performances included Lifan Shuke (+26.9%), Shiming Technology (+15%), and Hainan Ruize (+13.9%). The recommended stocks from the previous week showed mixed results, with China National Materials (+8.8%) and Huaxin Cement (+0.9%) performing well, while Sanhe Pile (-4.5%) and International Composite (-1.4%) declined [1][12] Recent Real Estate Fundamentals - In the week of July 4-10, the sales area of commercial housing in 30 major cities was 1.3391 million square meters, a year-on-year decrease of 22.55% [14] Key Sub-industry Tracking - Cement: National cement market prices continued to decline, with a drop of 1%. The price drop was mainly concentrated in East and Southwest China, with a range of 10-30 yuan/ton. However, demand is expected to improve slightly with better weather conditions [16] - Glass: The domestic photovoltaic glass market remained stable, with prices holding steady. The average price of float glass increased slightly to 1211.96 yuan/ton, with production costs varying based on fuel types [17] - Fiberglass: The market for non-alkali yarn showed a downward trend, with prices declining slightly. The overall demand remains weak, although there is some support from wind power orders [17]

Investment Rating - The report maintains an "Accumulate" rating for the construction materials industry [1] Core Views - The construction materials sector is expected to benefit from increased fixed asset investments to stabilize economic expectations, particularly with the launch of major hydropower projects [3][4] - The cement market is experiencing a slight price decline, but overall demand is stabilizing, with an average shipment rate of 46% [11][17] - The report highlights the potential for recovery in valuations for leading companies in the sector due to improved supply-demand dynamics and ongoing industry consolidation [4][12] Summary by Sections 1. Sector Overview - The construction materials sector saw a slight decline of 0.23% in the past week, underperforming the broader market indices [3] - The report emphasizes the importance of government policies aimed at stabilizing the economy and boosting demand in the construction materials sector [3][4] 2. Bulk Construction Materials Fundamentals and High-Frequency Data 2.1 Cement - The national average price for high-standard cement is 343.8 yuan/ton, down 3.3 yuan from last week and down 46.2 yuan from the same period last year [18][19] - The average cement inventory level is 65.8%, with a shipment rate of 45.9%, reflecting a slight increase in demand [27] - The report anticipates that the industry's profit center will be better than last year due to enhanced self-discipline among leading companies [4][11] 2.2 Glass Fiber - The report notes a clear trend towards upgrading electronic glass fiber products, with high-end products expected to see increased market penetration [12] - The profitability of ordinary glass fiber remains resilient, supported by growth in domestic demand from sectors like wind power and thermoplastics [12] - Leading companies are expected to benefit from improved product structures and market conditions, with recommendations for companies like Zhongcai Technology and Honghe Technology [12][13] 2.3 Glass - The glass industry is expected to see a supply-side contraction, which may improve the short-term supply-demand balance [13] - The report suggests that leading companies in the float glass sector will benefit from resource advantages and potential excess profit opportunities [13] 2.4 Renovation and Building Materials - The report highlights the positive impact of government policies on domestic demand for renovation materials, with expectations for continued growth in consumer confidence [14] - Recommendations include companies that are well-positioned to benefit from these trends, such as Beixin Building Materials and Arrow Home [14][15] 3. Industry Dynamics Tracking - The report discusses the ongoing policy environment and its implications for the construction materials sector, emphasizing the need for companies to adapt to changing market conditions [4][14] - The report also tracks the performance of various companies within the sector, providing insights into their financial metrics and market positioning [15][16]

Group 1 - The rapid development of AI computing power is driving the upgrade of PCBs towards high-frequency and high-speed applications, leading to an explosion in demand for specialty electronic fabrics [3][5] - Specialty electronic fabrics are high-performance woven materials that optimize chemical composition and manufacturing processes to achieve specific electrical, thermal, or mechanical properties, supporting high-frequency signal transmission and reducing energy loss [3][10] - The market for AI/HPC server PCBs (excluding packaging substrates) is expected to grow at a CAGR of 32.5% from 2023 to 2028, significantly higher than other sectors [3][10] Group 2 - Low-DK electronic fabrics, characterized by low dielectric constant (DK) and low dielectric loss (DF), are crucial for AI servers and data center switches, enhancing signal efficiency in high-frequency environments [10][11] - The demand for Low-DK fabrics is projected to grow rapidly in 2024, driven by the transition to low-dielectric PCBs in AI server architectures and the global data center upgrade [10][11] - The global Low-DK electronic fabric market is expected to exceed $200 million by 2025 and reach $530 million by 2031, with a CAGR of 18.7% [11][16] Group 3 - Quartz fiber fabric (Q fabric), a high-performance material, is expected to see strong demand growth due to its application in advanced packaging technologies for AI hardware and data center switches [12][19] - The third-generation low-dielectric electronic fabric, Q fabric, utilizes high-purity silica to achieve ultra-low dielectric constant and loss, presenting significant technical barriers to mass production [12][19] - The core mission of Low-CTE electronic fabrics is to address thermal management issues in advanced chip packaging, with demand surging due to the explosive growth of AI computing power [19][20] Group 4 - Domestic manufacturers are accelerating capacity expansion in the specialty electronic fabric sector, responding to the growing demand from AI computing power upgrades [22][24] - Key suppliers of specialty electronic fabrics include Japanese, Taiwanese, and mainland Chinese companies, with domestic firms rapidly increasing production capabilities to meet market needs [22][24] - The competitive advantage of specialty electronic fabric suppliers lies in their ability to quickly innovate product performance and scale up production [22][24]

Investment Rating - The investment rating for the construction materials industry is "Positive" (maintained) [1] Core Views - The central urban work conference emphasized urban renewal, which is expected to drive demand for construction materials such as pipes, waterproofing, and coatings. This will lead to significant improvements in the real estate chain's fundamentals [3] - The report recommends several companies in the consumer building materials sector, including Sankeshu (channel expansion), Dongfang Yuhong (waterproofing leader), Weixing New Materials (high retail business ratio), and Jianlang Hardware. Beneficiary companies include Beixin Building Materials (gypsum board leader) [3] - The National Development and Reform Commission's action plan for the cement industry aims to control cement clinker capacity at around 1.8 billion tons by the end of 2025, which is expected to accelerate energy-saving and carbon reduction efforts [3] Market Performance - The construction materials index fell by 0.23% in the week from July 14 to July 18, 2025, underperforming the CSI 300 index by 1.32 percentage points. Over the past three months, the CSI 300 index rose by 7.17%, while the construction materials index increased by 4.36%, underperforming by 2.82 percentage points. In the past year, the CSI 300 index rose by 14.68%, and the construction materials index increased by 16.62%, outperforming by 1.94 percentage points [4][13] Cement Sector - As of July 18, 2025, the average price of P.O42.5 bulk cement nationwide was 280.87 CNY/ton, down 0.71% month-on-month. The clinker inventory ratio was 67.24%, up 1.35 percentage points [6][27] - The report highlights regional price variations, with Northeast China stable, North China up by 0.74%, and East China down by 1.90% [26] Glass Sector - The spot price of float glass as of July 18, 2025, was 1214.63 CNY/ton, an increase of 0.71% from the previous week. The inventory of float glass nationwide decreased by 175 million weight boxes, a decline of 3.05% [82][84] - The average price of photovoltaic glass remained stable at 116.02 CNY/weight box [89] Fiberglass Sector - The market price for non-alkali 2400tex direct yarn ranged from 3300 to 4100 CNY/ton, with variations depending on the manufacturer [6] Consumer Building Materials - As of July 18, 2025, the price of asphalt was 4570 CNY/ton, stable week-on-week, and up 2.93% year-to-date. The price of titanium dioxide was 13050 CNY/ton, down 1.14% month-on-month [6]

Core Insights - The AI Fund Changjiang New Energy Industry Mixed A (011446) reported a profit of 2.2596 million yuan for Q2 2025, with a weighted average profit per fund share of 0.0226 yuan [2] - The fund's net asset value (NAV) growth rate for the reporting period was 2.17%, and the fund size reached 110 million yuan by the end of Q2 [2][15] - The fund focuses on the new energy industry and its upstream and downstream sectors, seeking investment opportunities based on different stages and trends within various sub-industries [2] Performance Metrics - As of July 18, the fund's one-year cumulative net asset value growth rate was 18.29%, ranking 316 out of 601 comparable funds [3] - Over the past three months, the fund achieved a net asset value growth rate of 21.27%, ranking 65 out of 607 comparable funds [3] - The fund's three-year Sharpe ratio was -0.1567, placing it 347 out of 468 comparable funds [8] Risk and Drawdown - The fund's maximum drawdown over the past three years was 50.53%, ranking 56 out of 470 comparable funds [10] - The largest single-quarter drawdown occurred in Q2 2022, reaching 21.13% [10] Investment Strategy - The fund maintained an average stock position of 77.82% over the past three years, compared to a comparable average of 85.34% [13] - The fund's top ten holdings as of Q2 2025 included companies such as Huadian Electric, Huayang Group, and CATL [17]

Investment Rating - The report rates the building materials industry as "Overweight" indicating an expectation for the industry to outperform the overall market [2][11]. Core Insights - The cement industry is showing a clear trend of recovery, with the average net profit per ton for A-share listed companies in 2024 expected to be 13.7 CNY, nearing historical lows from 2015. The willingness of cement companies to maintain profit margins is increasing, and with the gradual decline in coal costs, there is significant potential for profit recovery [3]. - The glass fiber sector is experiencing product structure differentiation, with higher price elasticity in mid-to-high-end products. Despite a slight decline in prices for some products, leading companies are benefiting from their product mix, leading to improved profitability [3]. - The consumer building materials sector is seeing a divergence in performance, with strong results expected in segments like coatings, which have a high retail value and renovation ratio. Companies like Sanke Tree and Keda Manufacturing are projected to show significant year-on-year profit growth [3]. - The glass sector is facing mixed results, with photovoltaic glass prices initially rising but then falling as installation policies change. The flat glass market continues to face pressure, with many small to medium enterprises entering negative profit margins [3]. Summary by Sections Cement Industry - The cement industry is in its third quarter of recovery, with a significant reduction in excess clinker capacity expected by the end of 2025. Current measures have already led to the exit of 45.09 million tons of clinker capacity [3]. - Key companies to watch include Conch Cement, Huaxin Cement, and Tianshan Cement, which are expected to perform well in the upcoming quarters [3]. Glass Fiber Industry - The price of direct yarn has shown a slight decline, but leading companies like China Jushi and Zhongcai Technology are expected to report significant improvements in profitability due to their focus on high-end products [3]. - The demand for specialty glass fiber products remains strong, benefiting companies with a higher proportion of these products in their portfolios [3]. Consumer Building Materials - The coatings segment is expected to perform well, with companies like Sanke Tree and Keda Manufacturing showing impressive profit growth. The overall market is shifting towards price recovery strategies [3]. - The renovation market in regions like Africa and South America is also expected to contribute positively to the performance of consumer building materials [3]. Glass Sector - Photovoltaic glass prices have fluctuated, and while there was a recovery, the market needs to be monitored closely as installation policies evolve. The flat glass market continues to face challenges, with many companies struggling to maintain profitability [3]. - Companies with cost advantages, such as Qibin Group and Xinyi Glass, are recommended for observation due to their potential resilience in the current market [3].

Investment Rating - The report indicates a positive investment outlook for the PCB industry, driven by the accelerating demand for AI and high-speed network infrastructure [6][7][37]. Core Insights - The rise of AI is identified as a core driver of the current electronic innovation cycle, with significant implications for hardware demand, particularly in the PCB sector [6][18]. - The report highlights the need for PCBs to evolve towards high complexity, high performance, and HDI (High-Density Interconnector) designs to meet the stringent requirements of AI applications and high-speed data transmission [6][7][37]. - The demand for AI servers is expected to grow significantly, with projections indicating that AI server revenue could reach approximately $205 billion in 2024, contributing to over 70% of overall server revenue by 2025 [20][24]. Summary by Sections AI Demand and Hardware Benefits - The report emphasizes that AI's emergence is reshaping technology innovation and driving explosive growth in new application scenarios [6][18]. - Major cloud service providers are increasing capital expenditures for data center expansions and AI server deployments, confirming the growth trend in AI servers [31][37]. PCB Industry Growth - The PCB industry is expected to see a compound annual growth rate (CAGR) of approximately 40.2% from 2023 to 2028, driven by AI server and HPC-related products [47]. - The report suggests focusing on two growth directions for PCBs: HDI technology and orthogonal backplane solutions, which are crucial for high-density computing clusters [7][53]. CCL and Material Upgrades - The demand for high-frequency and low-loss CCL (Copper Clad Laminate) materials is increasing, driven by the need for high-speed applications [8][72]. - The report notes that the transition to high-frequency applications is pushing CCL manufacturers to upgrade their materials to meet stringent performance standards [72][74]. Specialty Fiberglass and Resin Developments - The report highlights the accelerating domestic substitution of specialty fiberglass, driven by the high demand for Low-dK and Low CTE materials in AI applications [9][10]. - High-frequency and low-loss resin systems are becoming essential as traditional materials fail to meet the advanced requirements of AI applications [10][11]. Copper Foil Market Trends - The copper foil industry is experiencing a clear trend towards high-end products, with HVLP (High-Voltage Low-Power) copper foil expected to contribute significantly to profits [11][12]. - The report indicates that the market for copper foil is dominated by a few key players, creating opportunities for domestic manufacturers to capture market share [11][12]. Investment Opportunities - The report advises investors to focus on companies that are well-positioned in the high-end PCB market, as demand is expected to surge from 2025 onwards, providing a stable growth foundation for these companies [50][52].

Investment Rating - The report maintains a "Buy" rating for the fiberglass industry, indicating a relative strength of over 15% compared to market benchmarks [4][13]. Core Insights - The fiberglass industry has initiated a self-regulation against "involution" competition, yielding significant results. The government has prioritized addressing low-price disorderly competition, with a focus on orderly exit of outdated capacities [9]. - The collective price recovery initiated by leading companies like China Jushi has alleviated the price war, leading to improved profitability for major players in the first half of 2025. For instance, China Jushi reported a net profit of 730 million yuan in Q1 2025, a year-on-year increase of 108.5% [9]. - Despite the alleviation of price competition, supply-demand imbalances persist, with production capacity expected to rise from 5.41 million tons in 2020 to 7.35 million tons in 2024, raising concerns about potential price declines if competition intensifies [9]. Summary by Sections Investment Recommendations and Targets - The report suggests focusing on leading fiberglass companies such as China Jushi (600176, Buy) and China National Materials (002080, Not Rated), anticipating a significant profit improvement in the first half of 2025 due to collective price recovery efforts [4]. Industry Dynamics - The fiberglass industry is not classified as overcapacity, as it is encouraged by the state as an emerging industry. The ongoing capacity expansion, coupled with weak demand, raises concerns about future price stability [9]. - The implementation of "involution" countermeasures is expected to yield better results in maintaining stable prices and volumes, enhancing market expectations for corporate performance [9].